docs: def get_first_defined(data, keys, default_value=None):
      """
      Get the first defined key in data.
      :param data:
      :type data:
      :param keys:
      :type keys:
      :param default_value:
      :type default_value:
      :return:
      :rtype:
      """
      for key in keys:
          if key in data:
              return data[key]
      return default_value